1. Technology

Delete files with the ability to UNDO

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Here's a Delphi procedure that can delete a file with the ability to undo by sending the file to the "Recycle Bin."

Function FileDeleteRB will return True if the operation was successful.

~~~~~~~~~~~~~~~~~~~~~~~~~
uses ShellAPI;

function FileDeleteRB(
   AFileName:string): boolean;
var Struct: TSHFileOpStruct;
    pFromc: array[0..255] of char;
    Resultval: integer;
begin
   if not FileExists(AFileName) then begin
      Result := False;
      exit;
   end
   else begin
      fillchar(pfromc,sizeof(pfromc),0) ;
      StrPcopy(pfromc,expandfilename(AFileName)+#0#0) ;
      Struct.wnd := 0;
      Struct.wFunc := FO_DELETE;
      Struct.pFrom := pFromC;
      Struct.pTo := nil;
      Struct.fFlags:= FOF_ALLOWUNDO or FOF_NOCONFIRMATION
         or FOF_SILENT;
      Struct.fAnyOperationsAborted := false;
      Struct.hNameMappings := nil;
      Resultval := ShFileOperation(Struct) ;
      Result := (Resultval = 0) ;
   end;
end;
~~~~~~~~~~~~~~~~~~~~~~~~~

Delphi tips navigator:
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